Question: The 5 N collar A is initially at rest in the position shown on the smooth horizontal bar. At t = 0 , a force

The 5 N collar A is initially at rest in the position shown on the smooth horizontal bar. At t=0, a force F=15t3i+110tj-120t2kN is applied to the collar, causing it to slide along the bar. What is the velocity of the collar at t=2s?
The 5 N collar A is initially at rest in the

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